It might be a bit optimistic, but I'll give it a try:
Alabama: Robert Bentley (R)
Alaska: Sean Parnell (R)
Arizona: Neil Giuliano (D)
Arkansas: Asa Hutchinson (R)
California: Jerry Brown(Gavin Newsom, if Brown declines to run) (D)
Colorado: John Hickenlooper (D)
Connecticut: Thomas C. Foley (R)
Florida: Alex Sink (D)
Georgia: Nathan Deal (R)
Hawaii: James Aiona (R)
Idaho: Raśl Labrador (R)
Illinois: Aaron Shock (R)
Iowa: Terry Branstad (R)
Kansas: Sam Brownback (R)
Maine: Paul LePage (R)
Maryland: Michael Steele (R)
Massachusetts: Scott Brown (R)
Michigan: Stacy Erwin Oakes (D)
Minnesota: Mark Dayton (D)
Nebraska: Don Stenberg (R)
Nevada: Brian Sandoval (R)
New Hampshire: Charles Bass (R)
New Mexico: Susana Martinez (R)
New York: Andrew Cuomo (D)
Ohio: John Kasich (R)
Oklahoma: Mary Fallin(R)
Oregon: John Kitzhaber (D)
Pennsylvania: Allyson Schwartz (D)
Rhode Island: Patrick C. Lynch (D)
South Carolina: Nikki Haley (R)
South Dakota: Dennis Daugaard (R)
Tennessee: Bill Haslam (R)
Texas: Greg Abbott (R)
Vermont: Peter Shumlin (D)
Wisconsin: Russ Feingold (D)
Wyoming: Matt Mead (R)
Agreed- too optimistic! Your Arkansas, Connecticut, and Massachusetts predictions are quite good, but your Hawaii, Illinois, and New Hampshire ones are laughable. Quinn is certainly vulnerable, but even Quinn would beat Schock. Remember that it's Illinois- moderate Republicans are formidable, but someone as conservative as Schock has no chance statewide. Dillard and Rutheford could definitely beat Quinn. However, the likelihood of Quinn even being in the race seems small. Daley v Dillard and Daley v Rutheford would be toss-up/lean D; Madigan v Dillard and Madigan v Rutheford would be Safe D.